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<head>
    <meta charset="UTF-8">
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    <title>Document</title>
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<body>
    
</body>
<script>
    function hello(){
        console.log("hello")
    }
     function hello1(num,name){
        console.log("hello12")
    }
    hello();
    hello1();
    let result =function sum(){
        ret = 0
        for(i =0;i<100;i++){
            ret +=i
        }
        return ret
    
    
    }
    console.log(result())
</script>
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